Case python remote command execution

------ similar cmd function, client Run, Server commanding results to client

-----------server.py-------------------

The subprocess Import 
# subprocess.Popen, primarily Popen This class implements the shell 

Import Socket 
SK = socket.socket () 
Print (SK) 
address = ( '127.0.0.1', 8003) 
sk.bind (address) 
sk.listen (. 3) 
Print ( 'Waiting .....') 
the while True: 
    Conn, addr = sk.accept () 
    Print (addr) 
    the while True: 
        the try: 
            Data = conn.recv (1024) 
        the except Exception: 
            BREAK 
        IF Not Data: BREAK 
        Print ( '.....', STR (Data, 'UTF8')) 
        obj = subprocess.Popen (STR (Data, 'UTF8'), the shell = True, subprocess.PIPE = stdout)
         # = stdout represented subprocess.PIPE through the pipeline by the PIP process your child go to my main process and package the object obj in 
　　　　　---- that is the function of this line and this line is theclient Results solution out instruction sent

        = obj.stdout.read cmd_result ()
         result_len bytes = (STR (len (cmd_result)), 'UTF8') # calculate its size
        conn.sendall (result_len) # size of this figure passed Client

        conn.recv (1024 )

        conn.sendall (bytes (cmd_result))
sk.close ()


----------------------------- client.py --- ----------------------------

import socket
sk=socket.socket()
print(sk)
address=('127.0.0.1',8003)
sk.connect(address)
while True:
    inp=input('>>>')
    if inp == 'exit':
        break
    sk.send(bytes(inp,'utf8'))

    result_len=int(str(sk.recv(1024),'utf8'))

    sk.sendall(bytes('111','utf8'))

    print(result_len)
    data=bytes()
    while len(data) != result_len:
        recv= sk.recv(1024)
        data+=recv

    print(str(data,'gbk'))
sk.close()

The results as shown below: In the client performing dir and ipconfig commands to get results